CN111775077A

CN111775077A - Limiting device for injection mold machining

Info

Publication number: CN111775077A
Application number: CN202010480375.8A
Authority: CN
Inventors: 徐东科
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2020-10-16

Abstract

The invention discloses a limiting device for processing an injection mold, which comprises a base ring which is horizontally arranged, wherein the base ring is connected with a plurality of frame plates in a sliding manner, the frame plates are abutted to form a cylindrical structure, and the cylindrical structure formed by the frame plates lacks an upper top surface; every the inner wall of deckle board all seals up the veneer and has a moulding bag, moulding bag is soft hollow utricule, every a liquid reserve chamber has all been seted up to deckle board inside, the sealed sliding connection in liquid reserve chamber has a slide, it has magnetorheological suspensions to irritate in regional and the moulding bag in slide top in the liquid reserve chamber. Has the advantages that: after the shaping bag is in good contact with the mold, the soft rod stops rotating and strikes the sliding block, the pressure inside the shaping bag can push the sliding block to be in contact with the two electric connecting posts, the reset spring and the electromagnetic coil are electrified, the magnetorheological fluid in the shaping bag is changed into a solid-like property by a magnetic field and cannot deform, and therefore the good clamping and limiting effect on the mold is guaranteed.

Description

Limiting device for injection mold machining

Technical Field

The invention relates to the technical field of indoor decoration, in particular to a limiting device for processing an injection mold.

Background

Injection molding, also known as injection molding, is a molding method of injection and molding, and is a method for obtaining a molded product after injecting a plastic material into a mold cavity for cooling and solidification at a certain temperature and under high pressure, and is widely applied to the processing field of molding of products with complex shapes.

An injection mold is a tool for mass production of articles; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling.

The injection mold is used for producing products in batches, but the production of the injection mold cannot depend on the mold and can only be processed manually by a numerical control machine or a worker, but the price of the injection mold in the prior art is difficult to limit, mainly because the shape of the mold is different, the limit is difficult to be completed by using any clamp in the prior art, and therefore, the limiting device for processing the injection mold, which can be suitable for various shapes, is provided.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a limiting device for processing an injection mold.

In order to achieve the purpose, the invention adopts the following technical scheme: a limiting device for processing an injection mold comprises a base ring which is horizontally arranged, wherein the base ring is connected with a plurality of frame plates in a sliding mode, the frame plates are abutted to form a cylindrical structure, and the cylindrical structure formed by the frame plates lacks an upper top surface;

the inner wall of each frame plate is hermetically glued with a shaping bag, the shaping bag is a soft hollow bag body, a liquid storage cavity is formed in each frame plate, a sliding plate is connected to the inside of the liquid storage cavity in a sealing and sliding mode, magnetorheological fluid is filled in the area above the sliding plate and the shaping bag in the liquid storage cavity, a communication hole communicated with the shaping bag is formed in the upper portion of the liquid storage cavity, and an electromagnetic coil is embedded in each frame plate;

the base ring is provided with sliding grooves, the number of the sliding grooves is equal to that of the frame plates, each sliding groove is formed along the radius direction of the base ring, a connecting rod is connected in each sliding groove in a sliding mode, and one end, far away from each sliding groove, of each connecting rod is fixedly welded with one frame plate;

the lower end of each liquid storage cavity is provided with a liquid inlet hole, each liquid inlet hole is communicated with a branch pipeline, a plurality of branch pipelines are communicated with a main pipeline, the main pipeline is a hard pipeline, the circle center part of the base ring is provided with a trigger hole, the main pipeline is vertically inserted into the trigger hole, the outer diameter of the main pipeline is smaller than the inner diameter of the trigger hole, and the main pipeline is provided with an electrifying control device;

and a set of locking assembly is arranged between every two adjacent frame plates.

In the above-mentioned limiting device for processing an injection mold, the power-on control device includes at least two side pipes, each of the side pipes is horizontally arranged and located in the same plane, each of the side pipes is communicated with the main pipe, a middle shaft is arranged at the axis of the main pipe, the middle shaft is rotatably connected in the main pipe through a bearing, a plurality of impellers are fixedly connected to the middle shaft, at least one soft rod is fixedly connected to the middle shaft, a power-on component is arranged in the side pipe, and the soft rod and the side pipes are located in the same plane.

In the limiting device for processing the injection mold, the side pipes are of a horizontally arranged columnar structure, one end of each side pipe, which is far away from the main pipeline, is fixedly connected with a shaping bag and two electric connecting columns, the two electric connecting columns in the same side pipe are not in direct contact, and the electric connecting columns in the side pipes are connected in series; every equal sliding connection of limit pipe has a slider, the slider is fixed with the veneer of design bag, the slider is located the one end that the limit pipe is close to the trunk line.

In foretell stop device for injection mold processing, every reset spring of equal fixedly connected with in the limit pipe, the inner wall fixed connection of trunk line one side is kept away from with the limit pipe to reset spring one end, reset spring's the other end and slider fixed connection, reset spring uses the metal material to make, just reset spring connects the electric series connection of electric post with two that correspond.

In the above-mentioned stop device for injection mold processing, the design bag is made of soft material, the design bag is filled with non-newton fluid, the slider is made of hollow stainless steel, the soft rod is made of rubber, and a metal sphere is glued and fixed at one end of the soft rod far away from the center shaft.

In foretell stop device for injection mold processing, locking Assembly includes lockhole, locking piece, locking lever, every all be provided with one set of lockhole, locking piece, locking lever on the framed panel, the cross-section of lockhole is a rectangle and a right trapezoid's combination form, the locking piece is fixed with the locking lever veneer, the locking piece is deformable structure.

In foretell stop device for injection mold processing, the locking piece is the hollow structure of rubber material, the veneer is fixed with a control box in the locking piece, locking lever one end run through in the locking piece and with control box welded fastening, the control box is seal structure and its inside sliding connection has a current conducting plate, outer wall fixedly connected with a normal electric conduction post of control box, a terminal surface of control box runs through fixedly connected with one and becomes to lead electrical pillar, the current conducting plate uses magnetic material to make, the current conducting plate is kept away from and is become one tensioning spring of one end fixedly connected with that leads electrical pillar, the one end that the current conducting plate was kept away from to the tensioning spring and the inner wall fixed connection of control box, the electrorheological fluids have been irritated outside the control box in the locking piece.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, air is pumped into the main pipeline until the shaping bag is in good contact with the mold, in the process, the air in the main pipeline drives the impeller to rotate, so that the soft rod is driven to rotate and knock the sliding block to generate vibration, the vibration of the sliding block is transmitted to the shaping bag due to the contact of the sliding block and the shaping bag, and the non-Newtonian fluid in the shaping bag becomes solid-state-like property with higher shearing strength when experiencing the vibration, so that the deformation cannot be generated, at the moment, the sliding block cannot generate obvious displacement, namely cannot move to be in contact with two electric connecting columns, and the clamping degree of the mold cannot be adjusted when the mold is not clamped.

2. And after moulding bag and mould good contact, the airflow in the trunk line can obviously reduce vertical the stopping flow, then soft pole stall and strike the slider, its inside pressure then can promote the slider to the both sides motion extrusion design bag makes its deformation, until slider and two electrical connection post contacts, reset spring and solenoid circular telegram this moment, and the magnetic current becomes type solid state nature just receiving magnetic field in the moulding bag, can't produce the deformation to guarantee that the matched mould has good centre gripping spacing effect.

3. After the reset spring circular telegram, can produce magnetic field on its every circle metal, magnetic field attracts mutually and makes it keep the shrink state, keeps the power connection post and slider contact promptly, even if at this moment the pump gas device of main pipe is disconnected, the spacing effect of this application still can be good keep.

4. After the electromagnetic coil is electrified to generate a magnetic field, magnetic repulsion force can be generated on the conductive plate, so that the conductive plate moves in the control box and is in contact with the variable conductive post, and the electrorheological fluid in the lock block cannot be deformed when being electrified. The frame plates are prevented from being separated from each other, and a good limiting effect is guaranteed.

Drawings

FIG. 1 is a schematic structural view of a limiting device for processing an injection mold according to the present invention;

FIG. 2 is an enlarged schematic view of a main pipe portion of the limiting device for injection mold machining according to the present invention;

FIG. 3 is a plan sectional view of the lower side of the limiting device for processing an injection mold according to the present invention when the frame plates are in a combined state;

FIG. 4 is a plan view of the underside of a frame plate of the positioning device for injection mold machining according to the present invention;

FIG. 5 is a schematic structural view of a lock block portion of the limiting device for injection mold machining according to the present invention;

fig. 6 is a cross-sectional view of a keyhole portion in a stopper device for injection mold processing according to the present invention.

In the figure: the device comprises a base ring 1, a frame plate 2, a shaping bag 3, a liquid storage cavity 4, a sliding plate 5, a communication hole 6, an electromagnetic coil 7, a sliding groove 8, a connecting rod 9, a main pipeline 10, a branch pipeline 11, a trigger hole 12, a side pipe 13, a central shaft 14, an impeller 15, a sliding block 16, a soft rod 17, a shaping bag 18, an electric connection pole 19, a reset spring 20, a lock hole 21, a lock block 22, a lock rod 23, a control box 24, a normal-conducting pole 25, a variable-conducting pole 26, a tensioning spring 27, a conductive plate 28 and a telescopic rod 29.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-6, a limiting device for processing an injection mold comprises a base ring 1 which is horizontally arranged, wherein the base ring 1 is connected with a plurality of frame plates 2 in a sliding manner, the frame plates 2 are abutted to form a cylindrical structure, and the cylindrical structure formed by the frame plates 2 lacks an upper top surface; the inner wall of each frame plate 2 is hermetically glued with a shaping bag 3, the shaping bag 3 is a soft hollow bag body, a liquid storage cavity 4 is formed in each frame plate 2, a sliding plate 5 is hermetically and slidably connected in the liquid storage cavity 4, magnetorheological fluid is filled in the area above the sliding plate 5 and the shaping bag 3 in the liquid storage cavity 4, sliding grooves 8 equal to the frame plates 2 in number are formed in the base ring 1, each sliding groove 8 is formed along the radius direction of the base ring 1, a connecting rod 9 is slidably connected in each sliding groove 8, a telescopic rod 29 is arranged on the base ring 1, the output end of the telescopic rod 29 is in contact with the connecting rod 9 to drive the frame plates 2 to move, and one end, far away from the sliding groove 8, of each connecting rod 9 is fixedly welded with one frame plate 2;

a communicating hole 6 communicated with the shaping bag 3 is arranged above the liquid storage cavity 4, and an electromagnetic coil 7 is embedded in each frame plate 2; the lower end of each liquid storage cavity 4 is provided with a liquid inlet hole, each liquid inlet hole is communicated with a branch pipeline 11, a plurality of branch pipelines 11 are communicated with a main pipeline 10 together, the main pipeline 10 is a hard pipeline, the circle center part of the base ring 1 is provided with a trigger hole 12, the main pipeline 10 is vertically inserted into the trigger hole 12, the outer diameter of the main pipeline 10 is smaller than the inner diameter of the trigger hole 12, and the main pipeline 10 is provided with an electrifying control device; a set of locking components is arranged between every two adjacent frame plates 2.

The locking assembly comprises a locking hole 21, a locking block 22 and a locking rod 23, each frame plate 2 is provided with a set of locking holes 21, a locking block 22 and a locking rod 23, the section of each locking hole 21 is a rectangle and a right trapezoid, the locking block 22 and the locking rod 23 are glued and fixed, and the locking block 22 is of a deformable structure.

The electrifying control device comprises at least two side pipes 13, each side pipe 13 is horizontally arranged and located in the same plane, each side pipe 13 is communicated with the main pipe 10, a middle shaft 14 is arranged at the axis of the main pipe 10, the middle shaft 14 is rotatably connected in the main pipe 10 through a bearing, a plurality of impellers 15 are fixedly connected on the middle shaft 14, at least one soft rod 17 is fixedly connected on the middle shaft 14, electrifying components are arranged in the side pipes 13, and the soft rods 17 and the side pipes 13 are located in the same plane; the side pipes 13 are horizontally arranged columnar structures, one end of each side pipe 13, which is far away from the main pipe 10, is fixedly connected with a shaping bag 18 and two electric connecting columns 19, and the two electric connecting columns 19 in the same side pipe 13 are not in direct contact; the shaping bag 18 is made of soft materials, the shaping bag 18 is filled with non-Newtonian fluid, the sliding block 16 is made of hollow stainless steel, the soft rod 17 is made of rubber, and one end of the soft rod 17, which is far away from the middle shaft 14, is glued and fixed with a metal ball.

The electric connecting columns 19 in the side pipes 13 are connected in series; each side pipe 13 is connected with a sliding block 16 in a sliding manner, the sliding block 16 is fixedly glued with the shaping bag 18, and the sliding block 16 is positioned at one end of the side pipe 13 close to the main pipe 10; equal fixedly connected with reset spring 20 in every limit pipe 13, reset spring 20 one end and the inner wall fixed connection that main pipe 10 one side was kept away from to limit pipe 13, reset spring 20's the other end and slider 16 fixed connection, reset spring 20 uses the metal material to make, and reset spring 20 and two electric connection post 19 electrical property series connections that correspond.

The locking piece 22 is the hollow structure of rubber material, the internal veneer of locking piece 22 is fixed with a control box 24, locking lever 23 one end runs through in locking piece 22 and with control box 24 welded fastening, control box 24 is seal structure and its inside sliding connection has a conducting plate 28, the outer wall fixedly connected with of control box 24 normally conducts post 25, a terminal surface through fixedly connected with of control box 24 becomes electrically conductive post 26, conducting plate 28 uses magnetic material to make, conducting plate 28 keeps away from and becomes electrically conductive one of the one end fixedly connected with of electrically conductive post 26 and tensioning spring 27, the one end that conducting plate 28 was kept away from to tensioning spring 27 and the inner wall fixed connection of control box 24, in the locking piece 22, control box 24 has irritated the electrorheological fluids outward.

According to the invention, a mould to be processed is placed between the frame plates 2, air is pumped into the main pipeline 10, the shaping bag 3 in an initial state is not in direct contact with the mould, and the main pipeline 10 pumps air into the liquid storage cavity 4 towards the branch pipeline 11 to push the sliding plate 5 to move upwards so as to extrude the magnetorheological fluid in the shaping bag 3 until the shaping bag 3 is in good contact with the mould;

in the process, obvious gas flows in the main pipeline 10, the gas flows can drive the impeller 15 to rotate, the impeller 15 rotates to drive the central shaft 14 to drive the soft rod 17 to rotate, the soft rod 17 rotates to continuously knock the sliding block 16 to generate vibration, the vibration of the sliding block 16 is transmitted to the shaping bag 18 due to the contact of the sliding block 16 and the shaping bag 18, and non-Newtonian fluid in the shaping bag 18 can be changed into solid-state-like property with high shearing strength when sensing the vibration, so that the deformation cannot be generated, and the sliding block 16 cannot generate obvious displacement at the moment, namely cannot be moved to be in contact with the two electric connecting posts 19.

And after the shaping bag 3 is in good contact with the die, the air flow in the main pipeline can be obviously reduced to vertically stop flowing, the soft rod 17 stops rotating and knocks the slider 16, the pressure in the soft rod can push the slider 16 to move towards two sides to extrude the shaping bag 18 to deform until the slider 16 is in contact with the two electric connecting posts 19, the reset spring 20 and the electromagnetic coil 7 are electrified, the magnetorheological fluid in the shaping bag 3 can be changed into solid-like properties when sensing a magnetic field, and cannot deform, so that the good clamping and limiting effect on the die is ensured.

After the return spring 20 is electrified, a magnetic field is generated on each circle of metal, the magnetic fields attract each other to keep the metal in a contraction state, namely, the electric connecting column 19 is kept in contact with the sliding block 16, and at the moment, even if the pumping device of the main pipeline 10 is disconnected, the limiting effect of the electric connecting column can still be well kept.

After the electromagnetic coil 7 is electrified to generate a magnetic field, a magnetic repulsion force is generated on the conductive plate 28, so that the conductive plate 28 moves in the control box 24 and is in contact with the variable conductive post 26, and the electrorheological fluid in the lock block 22 is electrified and cannot be deformed. The frame plates 2 are prevented from being separated from each other, and a good limiting effect is guaranteed.

Although the terms of the base ring 1, the frame plate 2, the shaping bag 3, the reservoir 4, the sliding plate 5, the communication hole 6, the electromagnetic coil 7, the sliding chute 8, the connecting rod 9, the main pipe 10, the branch pipe 11, the triggering hole 12, the side pipe 13, the middle shaft 14, the impeller 15, the sliding block 16, the soft rod 17, the shaping bag 18, the electric connecting column 19, the return spring 20, the locking hole 21, the locking block 22, the locking rod 23, the control box 24, the normally conductive column 25, the variably conductive column 26, the tension spring 27, the conductive plate 28, the telescopic rod 29, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A limiting device for processing an injection mold comprises a base ring 1 which is horizontally arranged, and is characterized in that the base ring 1 is connected with a plurality of frame plates 2 in a sliding mode, the frame plates 2 abut against each other to form a cylindrical structure, and the cylindrical structure formed by the frame plates 2 lacks of an upper top surface;

the inner wall of each frame plate (2) is hermetically glued with a shaping bag (3), the shaping bag (3) is a soft hollow bag body, a liquid storage cavity (4) is formed in each frame plate (2), a sliding plate (5) is connected in the liquid storage cavity (4) in a sealing and sliding mode, magnetorheological fluid is filled in the liquid storage cavity (4) and in the area above the sliding plate (5) and the shaping bag (3), a communication hole (6) communicated with the shaping bag (3) is formed above the liquid storage cavity (4), and an electromagnetic coil (7) is embedded in each frame plate (2);

the base ring (1) is provided with sliding chutes (8) which are equal to the frame plates (2) in number, each sliding chute (8) is arranged along the radius direction of the base ring (1), each sliding chute (8) is internally connected with a connecting rod (9) in a sliding manner, and one end, far away from the sliding chute (8), of each connecting rod (9) is fixedly welded with one frame plate (2);

the lower end of each liquid storage cavity (4) is provided with a liquid inlet hole, each liquid inlet hole is communicated with a branch pipeline (11), the branch pipelines (11) are communicated with a main pipeline (10) together, the main pipeline (10) is a hard pipeline, a triggering hole (12) is formed in the circle center part of the base ring (1), the main pipeline (10) is vertically inserted into the triggering hole (12), the outer diameter of the main pipeline (10) is smaller than the inner diameter of the triggering hole (12), and an electrifying control device is arranged on the main pipeline (10);

and a set of locking assembly is arranged between every two adjacent frame plates (2).

2. The limiting device for processing the injection mold according to claim 1, wherein the power control device comprises at least two side tubes (13), each side tube (13) is horizontally arranged and located in the same plane, each side tube (13) is communicated with the main pipeline (10), a center shaft (14) is arranged at the axis of the main pipeline (10), the center shaft (14) is rotatably connected in the main pipeline (10) through a bearing, a plurality of impellers (15) are fixedly connected to the center shaft (14), at least one soft rod (17) is fixedly connected to the center shaft (14), a power assembly is arranged in each side tube (13), and the soft rod (17) and the side tubes (13) are located in the same plane.

3. The limiting device for injection mold machining according to claim 2, characterized in that the side tubes (13) are horizontally arranged in a columnar structure, one end of each side tube (13) far away from the main pipe (10) is fixedly connected with a shaping bag (18) and two electric connecting columns (19), the two electric connecting columns (19) in the same side tube (13) are not in direct contact, and the electric connecting columns (19) in the side tubes (13) are connected in series; every equal sliding connection of limit pipe (13) has a slider (16), slider (16) and design bag (18) veneer are fixed, slider (16) are located the one end that limit pipe (13) are close to main pipe (10).

4. The limiting device for injection mold machining according to claim 3, wherein each side tube (13) is fixedly connected with a return spring (20), one end of each return spring (20) is fixedly connected with the inner wall of one side of the side tube (13) far away from the main pipeline (10), the other end of each return spring (20) is fixedly connected with the sliding block (16), each return spring (20) is made of metal materials, and each return spring (20) is electrically connected with the corresponding two electric connecting columns (19) in series.

5. The limiting device for injection mold machining according to claim 3, wherein the shaping bag (18) is made of soft materials, the shaping bag (18) is filled with non-Newtonian fluid, the sliding block (16) is made of hollow stainless steel, the soft rod (17) is made of rubber, and a metal sphere is glued and fixed at one end, away from the central shaft (14), of the soft rod (17).

6. The limiting device for injection mold machining according to claim 1, wherein the locking assembly comprises locking holes (21), locking blocks (22) and locking rods (23), each frame plate (2) is provided with a set of locking holes (21), locking blocks (22) and locking rods (23), the cross section of each locking hole (21) is in a rectangular and right trapezoid combined shape, the locking blocks (22) and the locking rods (23) are glued and fixed, and the locking blocks (22) are of deformable structures.

7. The limiting device for injection mold processing according to claim 6, wherein the locking block (22) is a hollow structure made of rubber, a control box (24) is fixed in the locking block (22) in a gluing manner, one end of the locking rod (23) penetrates into the locking block (22) and is welded and fixed with the control box (24), the control box (24) is a sealing structure, the interior of the control box is connected with a conductive plate (28) in a sliding manner, the outer wall of the control box (24) is fixedly connected with a normal conductive column (25), one end face of the control box (24) penetrates and is fixedly connected with a variable conductive column (26), the conductive plate (28) is made of magnetic material, one end of the conductive plate (28) far away from the variable conductive column (26) is fixedly connected with a tensioning spring (27), one end of the tensioning spring (27) far away from the conductive plate (28) is fixedly connected with the inner wall of the control box (24), electrorheological fluid is filled in the locking block (22) and outside the control box (24).